qennert



(No Model.) 2 Sheets-Sheet 1'.

E. T. GENNBRT.

v APPARATUS FOR BXYTRAGTING OIL PROM OLEAGINOUS SEEDS.

' ATTO/VEYS.

Pat nted Dec. 4, 1888' w/ IVESSES:

(NoMode L) 2 Sheets-Sheet 2.

E. T. GENNE'RT. I APPARATUS FOR BXTRAGTING'OIL FROM OLEAGINOUS SEEDS.

N0. 393,973. Patented Dec. 4, 1333- win/3333.- a A I [NI/EH08, 4%

- Ar'murys.

1 ing closed by a valve which is intermittently conducted again to the diffuser. \Vhen a the receivers are connected by steam-pipes with the source of steam-supply, while the bottom part-s of the receivers are connected UNITE STATES P T NT- OFFICE.

ERNESTTH. eEnNEn'r,

OF NEW YORK, N; Y.

APPARATUSFOR EXTRACTING on. FROM ou-zAemous SEEDS.

sPEcrrmA'noN forming m or teet rs Patent No. 393,973, dated December 4, 1888'.

Application filed October 14, 1887.

To all whom it may concern.- Be it known that I, ERNEST TH. GENNERT, of the city, county, and State of New York, have invented certain new and useful Improvements in Apparatus-for Extracting Oilfrom Oleaginous Seeds, of which the following is aspecification. I I

This invention relates to an improved apparatus for extracting oil from cotton and other oleaginous seedson the principle of diffusion, as contradistinguishe'd from extracting the oil by macerating, heating, and pressing the seed;- and the invention consists of an-appae ratus for extracting oil from oleagiuous seeds, which comprises one or more diffusers having a perforated false bottom and abott-oin openopened by means of a float attached? to the stem of the valve, according as the level of the extracting-liquid-such as benzine or other volatile hydrocarbon-rises or falls in the diffuser. The stem of the discharge-valve of the diffuseris surrounded by a fixed center tube, in the upper end of which the float is guided. The bottom'opening of the diffuser is connected by a pipe with a receiver for the oil obtained by diffusion from the seed, said receiver being provided with an interior steamcoil, the heat of which vaporizes the solvent, said vapors being conducted by a vertical pipe to a condenser supported above the diffuser, from which the condensed solvent is renumber 6f. diffusers are arrangedin battery, they are connected by pipes having suit-able stop-cocks, so as to conduct the solvent from the lower part of one diffuser to the upper part of the next diffuser. The steam-coils of by pipes to establish a uniform level of oil in all the receivers. A supply-pipe for the solvcut is connected with the return-pipes leadiug from the condensers to the diffusers, and provided with suitable stop-cocks, so as to supply each diffuserindependently from the others wit-h the required quantity of the solvent when it is to be .used individually and not in battery.

In the accompanying drawings, Figure 1 Serial No. 252,346 (No model.)

represents 'a side elevation and section of my improved apparatus for extracting oil from oleaginous seeds, showing two diffusers contical central section of the float for opening and closing the valve of the diffuser. Figs. 4 and 5 are respectively a vertical and horizontal section of the valve and valvercasing drawn on a larger scale, Fig. 5 being a section on line :1 :c, Fig. 4; and Figs. 6 and Tare a ver- A tical central section and a plan of the interior of the condenser used in connection-with my apparatus.

Similar letters of reference indicate'corresponding parts.

Referring to the drawings, A represents the diffuser of my improved apparatus for exiracl'ing oil from cotton and other oleaginous seeds. The diffuser A is preferably made of cylindrical shape and provided at the upper I part with a neck, a, said neck being, closed by a cover, A. The bottom of the diffuser A is providedwith a central opening, I), which is closed by a valve, B, the stem 1) of said valve extending through a hollow center tube, 17 to the upper part of the diffuser A.

The valve B is surrounded by a valve-cas ing, B, which is attached to the bottom of the diffuser A and provided with openings (2, through which and the valve-opening b the oil extracted by the solvent is drawn off when the valve is opened. secured into the upper part of the valve-casing B, as shown clearly in Fig. 4.

The upper end of the stem bis provided The center tube, N, is

with a float, C, of conical shape, which float charged into the diffuser, whereby the reliable working of the valve B is produced. The

I center tube, 19*, being extended into the guidetube 1) of the float, terminates (dime the highest level that the solvent can reach in the difiuser, and prevents thereby the flowing of the solvent into the center tube and from the same through the valve-opening b, but compels all the solvent to pass through the seed into the diffuser. v v

A false perforated bottom, A is arranged above the bottom of the diffuser A, and a manhole, a, and man-hole cover a above said false bottom A, as shown in Figs. 1 and 2, said man-hole serving to remove the seed when the oil is extracted. Below the diffuser A is arranged a closed vessel, D, which serves as a receiver for the oil extracted by the solvent from the seed in the diffuser, the' receiver D being connected with the bottom opening, I], of the diffuser bya conn eefing-pipe, (1 having a stop-cock, u. The solventemployed for extracting the oil from the seed is supplied by a main pipe,- E, a branch pipe,e, having a stop-cock, e, and a pipe, e having a funnelshaped upper end, e to the neck a of the diffuser A, the solvent entering the diffuser thereby at atmospheric pressure.

' At the interior of the receiver D and near the bottom of the same is arranged a steamcoil, D, which serves to heat the body of oil in the receiver D and vaporize the benzine contained in-the same. The benzine-vapors are conducted through avalved pipe, D to the condenser F, which is supported on upright rods f, secured to sockets f at. the upper part of the difiuser A, the condenser being constructed in such a manner that the cooling-water is conducted, by means of water supply and discharge pipes, through the same'in a crnlnter-current to the direction of. the flow of the vapors.

The construction of the condenser is shown in detail in Figs. 6 and 7, it being composed, preferably, of a cylindrical casing having a central opening, the top and bottom pates of the casin g being tightly packed to the body of the same by interposed insulating-plates of as bestus or other suitable material. A partition-wall, f of spiral shape extends from the inner to the outer circumference of the easing, so as to form a channel of nearly-uniforni' width, in which a coiled pipe, F is arranged, the convolut-ions of which incline toward the bottom, so as to give to the solvent condensed in the pipe a continuous downward flow to the discharge-opening at the bottom of the condenser, which is connected with the branch pipe e, and by the same returned to the diffuser A, as shown in Figs. 1 and f3.

The oil-receiver Dis provided with ahandhole and hand-hole cover, (I, an d with a glasscovered opening, (1, through which the level of the oil in the vessel D can be readily observed. The entire apparatus is supported by strong curved feet, which are bolted at their upper ends to the outer wall of the receiver I), so as to allow the bottom of the receiver to be attached or detached without disturbing the upper part of the apparatus. The diffuser A is supported on the receiver D by extending the wall of the same and bolting it to the wall valve opened, so that the oil extracted from the seed, being of greater specific gravity than the solvent, is dropped through the connecting-pipe into the receiver D. \Vhen by the repeated opening and closing of the bottom valve of the diffuser a sufficient quantity of oil is conveyed to the receiver D, steam is ad mitted into the coil in the same and the solvent vaporized and conducted to the condenser, where it is condensed and returned in. liquid state to the diffuser. The apparatus is worked with the solvent first charged into the same,

the solvent being distilled over and over again from the receiver D to the condenser, and only small quantities of benzine added from time to time, so as to supply that which may be lost by leakage.

hen larger quantities of cotton-seed have to be extracted, a single apparatus'would notbe sufficient. In this case a battery of two or more of the same, according to the quantity of cotton-seed to be treated, is arranged, the different apparatuses being connected by valved pipes G, which extend from the bottom of the diffuser of one apparatus to the upper part of the diffuser of the nextappa-' The pipe G is also connected with the ratus. upper part of the firstdiffi'user in order to work from the right-hand diffuser to the left, and vice versa. The connecting-pipe G is provided with stop-cocks g get both sides of the vertical portion'of the connecting-pipe, so as to regulate the flow of the solvent. from either diffuser to the other. \Vhen all the diffusers are thus arranged in battery, the stop-cocks a in. the pipes leading to the receivers l) are closed and a sufficient quantity of benzine is admitted through the supplypipe to fill all the diffusers of the battery, the benzine entering first into the first diffuser, then through and from the same to 'the second diffuser, then to the third, and .so on.

ICC

IIC

Vhen all diffusers are filled, the supply of solvent is interrupted. The bottoms oft-he oilrecei vers I) are also connected with each other arranging a number of receivers and diffusers in battery in the manner described, and passing the SOlYOl'll': successively through the diffusers, the oil is extracted from the seed by fractional diffusion,- which is accomplished I quicker than when the'diffusers of the bats tery would be operated singly. The solvent takes up a proportionately large quantity of oil in the first diffuser, a smallerquantity in the second, a still smaller in the third, and in the last diffuser the solvent carries a comparatively large quantity of oil, which requires but a short exposure to distillation for removing the solvent.

The benzinc-pipe E is connected with all the return-pipes of the condensers, so that any diffuser can be recharged with benzine and seed while the adjoining diffusers are disconnee-ted from the same. When all the diflusers of the battery have been charged with seed and benzine and a sufficient quantity of oil collected in the receivers, the benzine remaining in the oil is distilled off by admitting .the steam to the coils ofthereceivers, the benzine being then condensed and returned from the condensers to the different diffusers, whereby a continuous supply of benzine through the seed in the same is kept up until the oil-in the same is entirely extracted; The first diffuser is then cut out and the charge of seed in the sanie removed through the side manhole and a new charge of seed placed into the same. The diffuser is then connected again with the other difiusers and filled with ben- 'zine that .has passed through the remaining diffusers. The next diffuser is then cut out, recharged with seed, and resupplied with benzine that has passed through the other diffusers, and so on, .so that the oil is extracted from the seed continuously on the principle of fractional diffusion.

Having thus described my invention, I claim as new and desire to .secure by Letters Patentv 1. The combinationof a diffuser provided with a supply-pipe having a funnel-shaped end, a receiver below thesame, a valvedpipe connecting the diffuser with the receiver, a steam-coil inthe receiver, a condenser above thedifinser, a pipeconnecting the receiver with the condenser, and a pipe leading from the condenser into the funnel of the supplypipe, so as to supply the solvent to the diffuser at atmospheric pressure, substantially as set forth.

2....The combinatiomwith a diffuser having abottom opening, of a valve for said opening, a float applied to the stem of the valve, a fixed guide-tube xtending aroundthe valve-stem and extending into the float,-areceiver below said diffuser, and a pipe connecting the bot-.

tom opening of the diffuser with the receiver, substantially as set forth.

3. The combination of a diffuser having a valved bottom opening, a receiver below the diffuser, a pipe connecting the-bottom opening with the receiver, a steanrcoil in said receiver, a condenser having a spiral interior wall, so as to form a spiral channel, a valved pipe connecting the receiver with the condenser,-a spiral condensing-coil in the spiral channel of the condenser, water supply and discharge pipes for the condenser, and a valved return-pipe connecting the condensing-coil with the diffuser, substantially as set forth- 5. A diffuser having a bottom opening, a

valve foropening or closing said opening, a

float attached to the upper end of the stem of said. valve and provided with an interior guide-tube, and a fixed guide-tube for the valve-stem and float, substantially as set forth. 6. A diffuser provided with a perforated false bottom, a man-hole and cover above'said bottom, a bottom opening, avalve for closing said opening, a float applied to the upper end of the ,valve*stem and having an interior guide-tube, and a central guide-tube for the stem and float, substantially as set forth;

7. The combination of two or more diffusers densers, and the condensers and the upper parts of the diffusers, valved pipes connecting the bottom parts of the diffusers with the up- .per. parts of the adjoining diffnsers,'valved pipes connecting the bottoms of the receivers, and valved pipes for connecting the supplypipes of the diffusers, substantially as set .forth.

In testimony that I claim the foregoing as my invention I have signed my name in pres- .ence of two subscribing witnesses.

. e ERNEST TH. GENNER'IY.

Witnesses:

PAUL GOEPEL,

v MA TIN PETRY.

fusers and receivers, the receivers and con- 

